Hunt for the Golden Bone (Jasper and Scruff #2)

As Jasper and Scruff prepare for a day in their new bookshop, a mysterious package is delivered,containing a rare book written by the great seafaring cat, Black Whiskers. Inside, they discover a treasure map, and together the friends set out on a quest to find the legendary golden bone. But little do they realize that their old enemies, The Sophisticats, might have a paw in things...